Our CRL Aluminum Clamp-On Frame Interior Glazed Exchange Window has a 12 inch (304.8 millimeter) shelf and accommodates walls from 5 to 8-1/2 inches (127 to 216 millimeters) thick. Unit easily slides into the wall opening.
For us to fabricate this window for you, we need width and height of the intended frame, and for you to select from these options: